Byun Jae-wook, a hot-tempered prosecutor known for his violent method, is arrested when a suspect he was interrogating is found dead. Unable to prove his innocence, Jae-wook is sentenced to serve 15 years in prison. While in prison, he meets Chi-won, a good-looking swindler who knows the truth about Jae-wook’s case. Jae-wook pulls all his resources to get Chi-won out of prison so he can strike back at the ones who framed him.